MBT (M) 2- Mercaptobenzothiazole CAS 149-30-4

149-30-4 –Names and Identifiers

Name	2-Mercaptobenzothiazole
Synonyms	M MBT 2-MBT Z-MBT 2-Benzothiazolethiol Rubber Accelerator M Sulfur Accelerator M Benzothiazole-2-thiol Rubber Accelerator MBT 2-Mercaptobenzothiazole 1,3-benzothiazole-2(3H)-thione Rubber Pharmaceutical intermediate Refined(M)
CAS	149-30-4
EINECS	205-736-8
InChI	InChI=1/C7H5NS2/c/h1-4H,(H,8,9)

149-30-4 –Physico-chemical Properties

Molecular Formula	C7H5NS2
Molar Mass	167.25
Density	1.46g/cm3
Melting Point	172-180℃
Boling Point	305°C at 760 mmHg
Flash Point	138.3°C
Water Solubility	<0.1 g/100 mL at 19℃
Solubility	Soluble in alkali and carbonate solution, soluble in glacial acetic acid in appropriate amount, almost insoluble in water.
Vapor Presure	0.000844mmHg at 25°C
Appearance	Crystallization
Storage Condition	2-8℃
Sensitive	Sensitive to air and light
Refractive Index	1.783
MDL	MFCD00005781
Physical and Chemical Properties	Density 1.42 melting point 172-180°C flash point 243°C (dec.) water solubility <0.1g/100 mL at 19°C
Use	Mainly used in the manufacture of tires, inner tube, tape, rubber shoes and other industrial rubber products

149-30-4 –Risk and Safety

Hazard Symbols	Xi – Irritant N – Dangerous for the environment
Risk Codes	R43 – May cause sensitization by skin contact R50/53 – Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description	S24 – Avoid contact with skin. S37 – Wear suitable gloves. S60 – This material and its container must be disposed of as hazardous waste. S61 – Avoid release to the environment. Refer to special instructions / safety data sheets.
UN IDs	UN 3077

149-30-4 –Upstream Downstream Industry

Downstream Products

Inhibitor 2,2′-Dithiobis(benzothiazole) Benzothiazole corrosion inhibitor PBTCA-type N,N-Dicyclohexyl-2-benzothiazolsulfene amide N-Cyclohexyl-2-benzothiazolesulfenamide 2-(Morpholinothio)benzothiazole N-tert-Butyl-2-benzothiazolesulfenamide 2-Chlorobenzothiazole N-methylbenzothiazol-2-amine scale inhibitor and sipersant TS-104 scale agent QⅠ-105 Accelerator DBM 2-((Difluoromethyl)sulfonyl)benzo[d]thiazole, 98% 2-Amino-6-nitrobenzothiazole 2-Methylmercaptobenzothiazole

149-30-4 –Nature

Vapor pressure	<0.000003 hPa (25 °C)
refractive index	1.6100 (estimate)
flash point	243 °C
storage conditions	Store below +30°C.
solubility	0.12g/l
acidity coefficient (pKa)	9.80±0.20(Predicted)
morphology	Powder
color	Yellow
Odor	Odorless
PH value	7 (0.12g/l, H2O, 25℃)
explosion limit value (explosive limit)	15%(V)
water solubility	<0.1 g/100 mL at 19 °C
maximum wavelength (& lambda;max)	325nm(MeOH)(lit.)
sensitivity	Air Sensitive
Merck	14,5868
BRN	119484
stability	Stable. Incompatible with strong oxidizing agents. Flammable.
InChIKey	YXIWHUQXZSMYRE-UHFFFAOYSA-N
(IARC) Carcinogen Classification	2A (Vol. 115) 2018
NIST chemical information	2-Mercaptobenzothiazole(149-30-4)
EPA chemical information	2-Mercaptobenzothiazole (149-30-4)

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